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1 November, 16:40

Does air play a role in the propagation of the human voice from one end of a lecture hall to the other

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  1. 1 November, 19:32
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    Answer: Yes

    Air serves as a propagation medium.

    Explanation:

    Propagation of sound wave require a medium for transmission. Sound is produced by vibrating objects, The matter or substance through which sound is transmitted is called a medium. It can be solid, liquid or gas. Therefore to propagate sounds (human voice) from one end of a lecture hall to the other we need a propagation medium which is air. Air serves as a propagation medium.
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